Free Online Sudoku

A new Sudoku puzzle appears daily.

phpSudoku by M-Software

The Sudoku rules are:

  • Fill up each row with a number from 1 to 9
  • a number can appear only once on each row
  • A number can appear only once on each column
  • A number can appear only once in each 3 × 3 box

Notes:
Any completely filled row must contain the numbers 1 to 9
In each cell, only one number can be entered.
The given numbers can not be changed.